Flexural reinforced concrete elements normal section bearing capacity evaluation in fracture stage
This article examines flexural reinforced concrete structures condition assessment process in existing buildings on the stage where the reinforcement stress is between the yield and the tensile strength. The research is made on V. Jokūbaitis proposed methodology directly measuring the compression z...
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Vilnius Gediminas Technical University
2017-06-01
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doaj-44bef11934844911bf27387a948f72512021-07-02T11:01:07ZengVilnius Gediminas Technical UniversityEngineering Structures and Technologies2029-882X2029-88382017-06-019210.3846/2029882X.2017.1322919Flexural reinforced concrete elements normal section bearing capacity evaluation in fracture stageJustas Slaitas0Zbynek Hlavac1Arnoldas Šneideris2Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, LithuaniaResearch Centre Rez Ltd., Morseova 4 Borska pole, 301 00 Plzen, Czech RepublicVilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, Lithuania This article examines flexural reinforced concrete structures condition assessment process in existing buildings on the stage where the reinforcement stress is between the yield and the tensile strength. The research is made on V. Jokūbaitis proposed methodology directly measuring the compression zone height, allowing us to evaluate the behavior of reinforced concrete beam fracture sufficiently precisely. This paper confirms the hypothesis that, when reinforcement reaches yielding stress, elastic strain dominates in concrete‘s compression zone and it is reasonable to use triangular concrete compression zone diagram, without tensile concrete above crack evaluation. The methodology of reinforced concrete structures bearing capacity assessment according to limit normal section crack depth is proposed. There is established connection between bending moments, when reinforcement achieve yielding stress and tensile strength, which allows us to decide about structures bearing capacity reserve. The results are confirmed with experimental studies and calculated values obtained by methodologies based on different reduced stress diagrams of concrete‘s compressive zone. First published online: 05 Jun 2017 https://journals.vgtu.lt/index.php/EST/article/view/603reinforced concreteflexural strengthconcrete fracturecrack depth |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Justas Slaitas Zbynek Hlavac Arnoldas Šneideris |
spellingShingle |
Justas Slaitas Zbynek Hlavac Arnoldas Šneideris Flexural reinforced concrete elements normal section bearing capacity evaluation in fracture stage Engineering Structures and Technologies reinforced concrete flexural strength concrete fracture crack depth |
author_facet |
Justas Slaitas Zbynek Hlavac Arnoldas Šneideris |
author_sort |
Justas Slaitas |
title |
Flexural reinforced concrete elements normal section bearing capacity evaluation in fracture stage |
title_short |
Flexural reinforced concrete elements normal section bearing capacity evaluation in fracture stage |
title_full |
Flexural reinforced concrete elements normal section bearing capacity evaluation in fracture stage |
title_fullStr |
Flexural reinforced concrete elements normal section bearing capacity evaluation in fracture stage |
title_full_unstemmed |
Flexural reinforced concrete elements normal section bearing capacity evaluation in fracture stage |
title_sort |
flexural reinforced concrete elements normal section bearing capacity evaluation in fracture stage |
publisher |
Vilnius Gediminas Technical University |
series |
Engineering Structures and Technologies |
issn |
2029-882X 2029-8838 |
publishDate |
2017-06-01 |
description |
This article examines flexural reinforced concrete structures condition assessment process in existing buildings on the stage where the reinforcement stress is between the yield and the tensile strength. The research is made on V. Jokūbaitis proposed methodology directly measuring the compression zone height, allowing us to evaluate the behavior of reinforced concrete beam fracture sufficiently precisely. This paper confirms the hypothesis that, when reinforcement reaches yielding stress, elastic strain dominates in concrete‘s compression zone and it is reasonable to use triangular concrete compression zone diagram, without tensile concrete above crack evaluation. The methodology of reinforced concrete structures bearing capacity assessment according to limit normal section crack depth is proposed. There is established connection between bending moments, when reinforcement achieve yielding stress and tensile strength, which allows us to decide about structures bearing capacity reserve. The results are confirmed with experimental studies and calculated values obtained by methodologies based on different reduced stress diagrams of concrete‘s compressive zone.
First published online: 05 Jun 2017
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topic |
reinforced concrete flexural strength concrete fracture crack depth |
url |
https://journals.vgtu.lt/index.php/EST/article/view/603 |
work_keys_str_mv |
AT justasslaitas flexuralreinforcedconcreteelementsnormalsectionbearingcapacityevaluationinfracturestage AT zbynekhlavac flexuralreinforcedconcreteelementsnormalsectionbearingcapacityevaluationinfracturestage AT arnoldassneideris flexuralreinforcedconcreteelementsnormalsectionbearingcapacityevaluationinfracturestage |
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1721331438578565120 |